set the page length to PAGE_LENGTH (66) lines
(default number of lines of text 56, and with -F 63).
implies -t if PAGE_LENGTH <= 10

-m, --merge

print all files in parallel, one in each column,
truncate lines, but join lines of full length with -J

-n[SEP[DIGITS]], --number-lines[=,SEP[DIGITS]/]

number lines, use DIGITS (5) digits, then SEP (TAB),
default counting starts with 1st line of input file

-N, --first-line-number=,NUMBER/

start counting with NUMBER at 1st line of first
page printed (see +FIRST_PAGE)

-o, --indent=,MARGIN/

offset each line with MARGIN (zero) spaces, do not
affect -w or -W, MARGIN will be added to PAGE_WIDTH

-r, --no-file-warnings

omit warning when a file cannot be opened

-s[CHAR], --separator[=,CHAR/]

separate columns by a single character, default for CHAR
is the <TAB> character without -w and 'no char' with -w.
-s[CHAR] turns off line truncation of all 3 column
options (-COLUMN|-a -COLUMN|-m) except -w is set

-S[STRING], --sep-string[=,STRING/]

separate columns by STRING,
without -S: Default separator <TAB> with -J and <space>
otherwise (same as -S" "), no effect on column options

-t, --omit-header

omit page headers and trailers;
implied if PAGE_LENGTH <= 10

-T, --omit-pagination

omit page headers and trailers, eliminate any pagination
by form feeds set in input files